Move memory.long_running_dual_browser_test benchmark to tools/perf/contrib/

tools/perf/contrib/memory_long_running/memory_long_running.py

+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from benchmarks import memory
+import page_sets
+
+from telemetry import benchmark
+
+
+# pylint: disable=protected-access
+@benchmark.Owner(emails=['perezju@chromium.org'])
+class LongRunningDualBrowserBenchmark(memory._MemoryInfra):
+  """Measures memory during prolonged usage of alternating browsers.
+
+  Same as memory.dual_browser_test, but the test is run for 60 iterations
+  and the browser is *not* restarted between page set repeats.
+  """
+  page_set = page_sets.DualBrowserStorySet
+  options = {'pageset_repeat': 60}
+
+  @classmethod
+  def Name(cls):
+    return 'memory.long_running_dual_browser_test'
+
+  @classmethod
+  def ShouldTearDownStateAfterEachStoryRun(cls):
+    return False
+
+  @classmethod
+  def ShouldTearDownStateAfterEachStorySetRun(cls):
+    return False
+
+  @classmethod
+  def ValueCanBeAddedPredicate(cls, value, is_first_result):
+    # TODO(crbug.com/610962): Remove this stopgap when the perf dashboard
+    # is able to cope with the data load generated by TBMv2 metrics.
+    return not memory._IGNORED_STATS_RE.search(value.name)